package string;

public class Demo {
    public static void main(String[] args) {
        String lb = "李白，字太白，号青莲居士";
        System.out.println(lb);
        int start = lb.indexOf("，")+1;
        System.out.println(start);
        int end = lb.indexOf("，",start);
        String tb = lb.substring(start,end);
        System.out.println(tb);
    }

}
